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(WN) Southwest Airlines 3431 On-Time Performance Rating

Date Range:

15-Apr-2026 to 15-Jun-2026

(MIA) Miami International Airport

Miami, FL, US

(STL) St Louis Lambert International Airport

Saint Louis, MO, US

On-Time Performance Chart

(using rounded numbers)
On-Time
23
68%
Late
1
3%
Very Late
3
9%
Excessive
7
21%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
34
Total Delays ( > 1 min )
23
Codeshares
0
Average Delay (min.)
33.95652173913044
Standard Deviation
37.3
Min
0
Max
101

WN 3431 On-Time Performance Details

Overall Rating
1.2 of 5
Poor
Percentage On-Time 68%
Average Delay Time 33.95652173913044 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.2 shows that this flight has on-time performance characteristics better than 23% of all other flights in the FlightStats database.
On-Time Performance Rating
0.3 of 5
Very Poor
Percentage On-Time 68%
This flight has an on-time performance of 68%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 5% of other flights.
Delay Performance
2.1 of 5
Average
Average Delay Time 33.95652173913044 min
This flight has an average delay of 33.95652173913044 minutes with a standard deviation of 37.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 42% of other flights.

Other Stops for WN 3431